Unit-2---No-smoking--please.ppt
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1、Unit 2 No smoking,please1.go ahead *-Can I use your dictionary -Go ahead.(你用吧)你用吧)*go ahead with ones work (go on with)*The policeman examined the cars and allowed them to go ahead.(往前走)往前走)归纳:归纳:ahead of 意为意为“在时间、空间上在在时间、空间上在之前之前”;比比 好好 a.He is two classes _ (比比早)早)me.ahead of b.They are four hours
2、 _ (比比晚)晚)Beijing time.c.We finished the work _ (提前)提前)behindahead of time-Do you mind if I use your tape recorder-_.Certainly,please do.B.No,you cant use it.C.Yes,of course not.D.No,go ahead 2.catch fire *Dry wood catches fire easily.set fire to=seton fire put out a fire break out(火灾)火灾)发生发生a.Who_
3、the house is unknown.set fire to b.The fire _ at night.It was not _ until the firefighters came.broke out put out c.Turn off the gas.The pan is _.on fire 辨异辨异 be on fire 表静态表静态 ,catch fire 表动态表动态警示警示 注意区别注意区别:last;spread ;make;light 3.by 的用法的用法 (1)sell sth.by the pound (2)sell eggs by the dozen (3)l
4、ose the match by one goal (4)This room is forty feet by twenty.(5)rent a car by the day(week/month)(6)pay sb by the day/hour in calories/pounds/meters *Luckily,the bullet narrowly missed the captain _ an inch.(2002 上海高考题)上海高考题)A.by B.at C.to D.from4.custom/habit custom 指长期形成的包括指长期形成的包括habit 在内的风俗,是社
5、在内的风俗,是社 会风尚、礼仪、习惯的总和。多指社会或会风尚、礼仪、习惯的总和。多指社会或 群体的风俗、习惯。群体的风俗、习惯。habit 指一种不断重复的行为,这种行为或倾向,指一种不断重复的行为,这种行为或倾向,一时难以改变。多指个人习惯。一时难以改变。多指个人习惯。Many people are still in _ habit of writing silly things in _ public places.(NMET 94)A.the;the B.a;不填不填 C.the;不填不填 D.不填;不填;the*Once_(form),a bad habit is hard to ki
6、ck.formed归纳:归纳:*form/get into/fall into/develop a habit break away from/kick/give up/get out of a bad habit When you go abroad,you find its difficult to get used to other countries _.A.customs B.habits C.practice D.instructionsA5.chance n.机会,希望,可能性机会,希望,可能性*There is no chance _ the child will get we
7、ll.that There is little chance of their team winning.归纳归纳:Theres no chance/hope of doing sth.Theres no need/time for sth/sb to do sth Theres no doubt about sth/that Theres no knowing when he will be back.by chance 归纳:归纳:chance to do sth *It chanced that I was out when he called.*I chanced to be out
8、when he called.6.reduce v.*The number of the words in the report should be reduced to 800.警示警示:increase/rise/grow 与与by 搭配,表程度;搭配,表程度;与与 to搭配,表搭配,表“增加或减少到增加或减少到”The number of the employees has grown from 1,000 to 1,200.This means it has risen _ 20 percent.(99 上海高考题)上海高考题)A.by B.at C.to D.with pare v.
9、比较比较 compare with/to 跟跟相比较相比较 compare to 把把 比喻成比喻成 *Compare yourself with your classmates,and youll find you dont study so hard.*Comparing these two languages,you know the differences.*People compared him to be a little mouse.*Girls are often compared to flowers.*compared to/with 跟跟 相比起来(在句中做相比起来(在句
10、中做 状语,可放在句首或句尾)状语,可放在句首或句尾)Compared to/with many women,you are indeed very lucky.*compare notes(with sb)8.give up 停止,放弃停止,放弃 give up sth/doing sth *Not being in good health,he has to give up playing football.*Smoking does great harm to you,so its better to give it up.*All the girls swam the lake exc
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- Unit No smoking please
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